commit d4f95b998cbda7f1db3e8b411a35f2cfd538e211
Author: jiangsir <1463310682@qq.com>
Date: Wed Sep 11 21:56:05 2024 +0800
ä¸Šä¼ æ–‡ä»¶è‡³ src
diff --git a/src/index.php b/src/index.php
new file mode 100644
index 0000000..f313bf1
--- /dev/null
+++ b/src/index.php
@@ -0,0 +1,103 @@
+= 10) {
+ echo "Congratulations! You are clever. Here is your flag: FLAGFLAGFLAG";
+ exit();
+}
+
+function generateQuestion() {
+ $nums = [];
+ $operators = ['+', '-', '*', '/'];
+
+ for ($i = 0; $i < 9; $i++) {
+ $nums[] = rand(1000000, 99999999);
+ }
+
+ $expression = "{$nums[0]}";
+ for ($i = 1; $i < count($nums); $i++) {
+ $operator = $operators[array_rand($operators)];
+ $expression .= " $operator {$nums[$i]}";
+ }
+
+ // È·±£³ýÊý²»Îª0
+ if (strpos($expression, '/ 0') !== false) {
+ return generateQuestion(); // ÖØÐÂÉú³ÉÌâÄ¿
+ }
+
+ // ¼ÆËã´ð°¸
+ try {
+ $answer = eval("return ($expression);");
+ if (is_float($answer)) {
+ $answer = round($answer, 2);
+ }
+ } catch (DivisionByZeroError $e) {
+ return generateQuestion(); // ´¦Àí³ýÒÔ0µÄÇé¿ö
+ }
+
+ $_SESSION['answer'] = $answer;
+ return $expression;
+}
+
+if ($_SERVER['REQUEST_METHOD'] == 'POST') {
+ if (isset($_POST['hiahia'])) {
+ $userAnswer = trim($_POST['hiahia']);
+ $correctAnswer = $_SESSION['answer'];
+
+ // ´¦Àí¸¡µãÊý±È½Ï
+ if (abs(floatval($userAnswer) - floatval($correctAnswer)) < 0.01) {
+ $_SESSION['correct_count'] += 1;
+ if ($_SESSION['correct_count'] >= 10) {
+ echo "Congratulations! You are clever. Here is your flag: FLAGFLAGFLAG";
+ exit();
+ } else {
+ $message = "Correct! Keep going! You have answered {$_SESSION['correct_count']} correctly.";
+ }
+ } else {
+ $_SESSION['correct_count'] = 0;
+ $message = "Wrong answer or time out! Try again.";
+ }
+ }
+}
+
+$question = generateQuestion();
+
+?>
+
+
+
+
+
+
+
+ Advanced Math Challenge
+
+
+
+
+
+ Give me your answer for 3 seconds:
+ ?
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file